Finding the Fourth Proportional to 332,138.40, 498,207.60 and 132,355.95
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Solution
The fourth proportional to 332,138.40, 498,207.60 and 132,355.95 is: 198,533.93
Step by Step Solution
- Step 1: Write the proportion equation
332,138.40 : 498,207.60 = 132,355.95 : x - Step 2: Convert to fraction form
332,138.40/498,207.60 = 132,355.95/x - Step 3: Cross multiply
332,138.40x = 498,207.60 × 132,355.95 - Step 4: Simplify right side
332,138.40x = 65,940,740,195.22 - Step 5: Solve for x
x = 65,940,740,195.22/332,138.40 - Step 6: Final answer
x = 198,533.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.